Switched to Go 1.21

Author: miha-stopar

.github/workflows/geth-utils.yml

@@ -30,7 +30,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: '1.20'
+        go-version: '1.21'
 
     - name: Format
       uses: Jerome1337/[email protected]

.github/workflows/integration.yml

@@ -72,7 +72,7 @@ jobs:
       - name: Setup golang
         uses: actions/setup-go@v3
         with:
-          go-version: ~1.19
+          go-version: ~1.21
       # Go cache for building geth-utils
       - name: Go cache
         uses: actions/cache@v3

.github/workflows/main-tests.yml

@@ -48,7 +48,7 @@ jobs:
       - name: Setup golang
         uses: actions/setup-go@v3
         with:
-          go-version: ~1.19
+          go-version: ~1.21
       # Go cache for building geth-utils
       - name: Go cache
         uses: actions/cache@v3
@@ -106,7 +106,7 @@ jobs:
       - name: Setup golang
         uses: actions/setup-go@v3
         with:
-          go-version: ~1.19
+          go-version: ~1.21
       # Go cache for building geth-utils
       - name: Go cache
         uses: actions/cache@v3